favourite_lauguages = {
    'lwj': 'Html5',
    'lucifer': 'python',
    'tjf': 'c++',
    'lhm': 'c++',
    'hzj': 'java'
}

#使用集合剔除重复项
for language in set(favourite_lauguages.values()) :
    print(language.title())


#嵌套
alion_0 = {'color': 'green', 'points': 5}
alion_1 = {'color': 'yellow', 'points': 10}
alien_2 = {'color': 'red', 'points': 15}

aliens = [alion_0,alion_1,alien_2]

for alien in aliens :
    print(alien)

